NGC 2509
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| NGC 2509 | |
| AladinLite | |
| Constellation | Aft deck of the ship |
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Position equinox : J2000.0 |
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|---|---|
| Right ascension | 08 h 00 m 47.8 s |
| declination | −19 ° 03 ′ 02 ″ |
| Appearance
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| classification | II1p |
| Brightness (visual) | 9.3 mag |
| Angular expansion | 12 |
| Physical data
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| distance | 3000 ly (912 pc ) |
| diameter | 10 ly |
| Age | 8 billion years |
| history | |
| Discovered by | Wilhelm Herschel |
| Discovery time | December 3, 1783 |
| Catalog names | |
| NGC 2509 • C 0758-189 • OCl 630 • Mel 81 • Cr 171 • ESO 561-SC 007 • GC 1613 • H VIII 1 • | |
NGC 2509 is an open star cluster in the constellation Puppis and was discovered by William Herschel on December 3, 1783. NGC 2509 was described by Johan Ludvig Emil Dreyer as "cluster, bright, fairly rich, slightly compressed, small stars".